Rahmawati I, Mardiyana M, Chumdari C. The impact of PBL on improving critical thinking skills in fractions lessons. Curricula J. Curr. Dev. [Internet]. 2026 Jun. 26 [cited 2026 Jul. 3];5(2):559-72. Available from: https://ejournal-education.upi.edu/curricula/article/view/576